Author: dchagin
Date: Tue Mar 7 17:09:12 2017
New Revision: 314867
URL: https://svnweb.freebsd.org/changeset/base/314867
Log:
Linux kernel does not export to the user space ipc_perm.mode values
other than S_IRWXUGO (0777).
MFC after: 1 month
Modified:
head/sys/compat/linux/linux_ipc.c
Modified: head/sys/compat/linux/linux_ipc.c
==============================================================================
--- head/sys/compat/linux/linux_ipc.c Tue Mar 7 17:07:16 2017
(r314866)
+++ head/sys/compat/linux/linux_ipc.c Tue Mar 7 17:09:12 2017
(r314867)
@@ -38,6 +38,7 @@ __FBSDID("$FreeBSD$");
#include <sys/msg.h>
#include <sys/sem.h>
#include <sys/shm.h>
+#include <sys/stat.h>
#include "opt_compat.h"
@@ -151,7 +152,7 @@ bsd_to_linux_ipc_perm(struct ipc_perm *b
lpp->gid = bpp->gid;
lpp->cuid = bpp->cuid;
lpp->cgid = bpp->cgid;
- lpp->mode = bpp->mode;
+ lpp->mode = bpp->mode & (S_IRWXU|S_IRWXG|S_IRWXO);
lpp->seq = bpp->seq;
}
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